217648732

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^2\times {\mathrm{2089}}^1$

素因数の和:2222

約数の個数: 36

約数和(自身を含む): 442762320

約数和(自身を除く): 225113588

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 2089, 3721, 4178, 7442, 8356, 14623, 14884, 26047, 29246, 52094, 58492, 104188, 127429, 254858, 509716, 892003, 1784006, 3568012, 7773169, 15546338, 31092676, 54412183, 108824366, 217648732]

約数ペア:

[(1, 217648732), (2, 108824366), (4, 54412183), (7, 31092676), (14, 15546338), (28, 7773169), (61, 3568012), (122, 1784006), (244, 892003), (427, 509716), (854, 254858), (1708, 127429), (2089, 104188), (3721, 58492), (4178, 52094), (7442, 29246), (8356, 26047), (14623, 14884)]